Category: Technology
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Not really photo: History of the telescope
photo credit: anthonycmaki Sometimes, during Summer time, it’s fine to switch to low gear and to wander far from the normal path of things. So, if you like lenses (specially long focal length primes), you may be interested in looking at the dinosaur age of tele-lenses: The Telescope era, which started in 1611 (nearly 400…
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Nikon D800: Possible features
Today, the leaks have been collected by our friends of Reportages Photo and they may allow us to discover some of the features of the next Nikon D800 (some believe that it will replace the existing Nikon D700, FX Full Frame photo camera famous for its excellent sensitivity coming from using a reasonably low resolution…
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Why Sony uses a semi-transparent mirror in A33/A55
The most recent SLR photo cameras from Sony, the Sony Alpha 33 and Sony Alpha 55 are presenting a striking feature: a semi-transparent mirror replacing the usual reflex mirror that we knew up to now. This looks very nice in the press releases, what does that mean and why use such a technology? Cross-section view…
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Operation of the shutter and mirror of Sony A33 & A55
YouTube link YouTube link
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Canon likes APS-H
In a rather unusual move, Canon has announced a surprising sensor the developed: a 120 Mega-pixel APS-H sensor. APS-H is the size of the photo sensors used in the EOS 1D series (clearly Pro cameras). And this big sensor has a huge amount of pixels (nearly 7.5 times larger than the company’s highest pixel count…
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Small programs for big ISO
Many French-speaking lovers of the Sony (ex-Minolta) photo cameras know about the excellent web site of Alpha Numérique which is providing a wealth of varied informations (often appearing in the link lists I publish monthly in relation with photo software programs). Eiffel Tower, by night – Copyright (C) Yves Roumazeilles Now, I would like to…
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Nikon Coolpix S1100pj with video projector
The 2nd Nikon digital point-and-shoot photo camera with an integrated video-projector. YouTube link
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Infrared (IR) photograhy
During the analog years of photography, it was possible to photograph pictures taken in the Infrared part of the light spectrum. Quite often, it led to a images that were simultaneously eerie looking (for the shift in colors) and slightly blurred by a reduced quality/resolution. It was only a matter of buying an IR filter…
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Microscopy photography
I had missed it, but you should try and look at this marvelous collection of microscopy pictures found at the Nikon’s annual Small World photomicrography competition in 2009. They honored 20 images of very high-quality. Not something that everyone of us would be able to do, but a very beautiful display: 35 Years of the…